477ce9ba18954fcc3f713534045423f42f45c693607207bc47775ffa6ecb3107

General
Target

477ce9ba18954fcc3f713534045423f42f45c693607207bc47775ffa6ecb3107

Size

718KB

Sample

210722-45crqshjae

Score
10 /10
MD5

a54ace3d56d2608617113615dd514ecf

SHA1

a57095e709a7218398f1d9fa40d4d8f4e1a77881

SHA256

477ce9ba18954fcc3f713534045423f42f45c693607207bc47775ffa6ecb3107

SHA512

5e434eb95f52bd5fd34d6de1087167a752f995b0f8f8d54c1a99d3e7ec0078dff0dcf351dd760dd3f6aa233bd7d74929e5e667d1972e9878d164088cec8213a9

Malware Config

Extracted

Family vidar
Version 39.6
Botnet 517
C2

https://sslamlssa1.tumblr.com/

Attributes
profile_id
517
Targets
Target

477ce9ba18954fcc3f713534045423f42f45c693607207bc47775ffa6ecb3107

MD5

a54ace3d56d2608617113615dd514ecf

Filesize

718KB

Score
10 /10
SHA1

a57095e709a7218398f1d9fa40d4d8f4e1a77881

SHA256

477ce9ba18954fcc3f713534045423f42f45c693607207bc47775ffa6ecb3107

SHA512

5e434eb95f52bd5fd34d6de1087167a752f995b0f8f8d54c1a99d3e7ec0078dff0dcf351dd760dd3f6aa233bd7d74929e5e667d1972e9878d164088cec8213a9

Tags

Signatures

  • Vidar

    Description

    Vidar is an infostealer based on Arkei stealer.

    Tags

  • Vidar Stealer

    Tags

  • Downloads MZ/PE file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies file permissions

    Tags

    TTPs

    File Permissions Modification
  • Reads user/profile data of web browsers

    Description

    Infostealers often target stored browser data, which can include saved credentials etc.

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses 2FA software files, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Accesses cryptocurrency files/wallets, possible credential harvesting

    Tags

    TTPs

    Data from Local System Credentials in Files
  • Adds Run key to start application

    Tags

    TTPs

    Registry Run Keys / Startup Folder Modify Registry
  • Checks installed software on the system

    Description

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    Tags

    TTPs

    Query Registry
  • Looks up external IP address via web service

    Description

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext

Related Tasks

MITRE ATT&CK Matrix
Command and Control
    Credential Access
    Execution
      Exfiltration
        Impact
          Initial Access
            Lateral Movement
              Privilege Escalation
                Tasks

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